The martian, p.1
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       The Martian, p.1
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           Andy Weir



  Chapter 1

  LOG ENTRY: SOL 6

  I’m pretty much fucked.

  That’s my considered opinion.

  Fucked.

  Six days in to what should be a greatest two months of my life, and it’s turned in to a nightmare.

  I don’t even know who’ll read this. I guess someone will find it eventually. Maybe a hundred years from now.

  For the record… I didn’t die on Sol 6. Certainly the rest of the crew thought I did, and I can’t blame them. Maybe there’ll be a day of national mourning for me, and my Wikipedia page will say “Mark Watney is the only human being to have died on Mars.”

  And it’ll be right, probably. Cause I’ll surely die here. Just not on Sol 6 when everyone thinks I did.

  Let’s see… where do I begin?

  The Ares program. Mankind reaching out to Mars to send people to another planet for the very first time and expand the horizons of humanity blah, blah, blah. The Ares 1 crew did their thing and came back heroes. They got the parades and fame and love of the world.

  Ares 2 did the same thing, in a different location on Mars. They got a firm handshake and a hot cup of coffee when they got home.

  Ares 3. Well. That was my mission. Well, not mine per se. Commander Lewis was in charge. I was just one of her crew. Actually, I was the very lowest ranked member of the crew. I would only be “in command” of the mission if I were the only remaining person.

  What do you know? I’m in command.

  I wonder if this log will be recovered before the rest of the crew die of old age? I presume they got back to Earth all right. Well, guys, if you’re reading this: It wasn’t your fault. You did what you had to do. In your position I would have done the same thing. I don’t blame you, and I’m glad you survived.

  I guess I should explain how Mars missions work, for any layman who may be reading this. We got to earth orbit the normal way, through an ordinary ship to Hermes. All the Ares missions use Hermes to get to and from Mars. It’s really big and cost a lot so NASA only built one.

  Once we got to Hermes, four additional unmanned missions brought us fuel and supplies while we prepared for our trip. Once everything was a go, we set out for Mars. But not very fast. Gone are the days of heavy chemical fuel burns and trans-Mars injection orbits.

  Hermes is powered by ion engines. They throw Argon out the back of the ship really fast to get a tiny amount of acceleration. The thing is, it doesn't take much reactant mass, so a little Argon (and a nuclear reactor to power things) let us accelerate constantly the whole way there. You'd be amazed at how fast you can get going with a tiny acceleration over a long time.

  I could regale you with tales of how we had great fun on the trip, but I won’t. We did have fun, but I don’t feel like reliving it right now. Suffice it to say we got to Mars 124 days later without strangling each other.

  From there, we took the MDV (Mars Descent Vehicle) to the surface. The MDV is basically a big can with some light thrusters and parachutes attached. Its sole purpose is to get six humans from Mars orbit to the surface without killing any of them.

  And now we come to the real trick of Mars exploration: Having all our shit there in advance.

  A total of 14 unmanned missions deposited everything we would need for surface operations. They tried their best to land all the supply vessels in the same general area, and did a reasonably good job. Supplies aren’t nearly so fragile as humans and can hit the ground really hard. But they tended to bounce around a lot.

  Naturally, they didn’t send us to Mars until they’d confirmed all the supplies had made it to the surface and their containers weren’t breached. Start to finish, including supply missions, a Mars mission takes about 3 years. In fact, there were Ares 3 supplies en route to Mars while the Ares 2 crew were on their way home.

  The most important piece of the advance supplies, of course, was the MAV. The “Mars Ascent Vehicle.” That was how we would get back to Hermes after surface operations were complete. The MAV was soft-landed (as opposed to the balloon bounce-fest the other supplies had). Of course, it was in constant communication with Houston, and if there were any problems with it, we would pass by Mars and go back to Earth without ever landing.

  The MAV is pretty cool. Turns out, through a neat set of chemical reactions with the Martian atmosphere, for every kilogram of hydrogen you bring to Mars, you can make 13 kilograms of fuel. It’s a slow process, though. It takes 24 months to fill the tank. That’s why they sent it long before we got here.

  You can imagine how disappointed I was when I discovered the MAV was gone.

  It was a ridiculous sequence of events that led to me almost dying. Then an even more ridiculous sequence that led to me surviving.

  The mission is designed to handle sandstorm gusts up to 150 km/hr. So Houston got understandably nervous when we got whacked with 175 km/hr winds. We all got in our suits and huddled in the middle of the Hab, just in case it lost pressure. But the Hab wasn’t the problem.

  The MAV is a spaceship. It has a lot of delicate parts. It can put up with storms to a certain extent but it can’t just get sandblasted forever. After an hour and a half of sustained wind, NASA gave the order to abort. Nobody wanted to stop a month-long mission after only six days but if the MAV took any more punishment we’d all get stranded down here.

  We had to go out in the storm to get from the Hab to the MAV. That was going to be risky, but what choice did we have?

  Everyone made it but me.

  Our main communications dish, which relayed signals from the Hab to Hermes, acted like a parachute, getting torn from its foundation and carried with the torrent. Along the way, it crashed through the reception antenna array. Then one of those long thin antennae slammed in to me end first. It tore through my suit like a bullet through butter and I felt the worst pain of my life as it ripped open my side. I vaguely remember suddenly having the wind knocked out of me (pulled out of me, really) and my ears popping painfully as the pressure of my suit escaped.

  The last thing I remember was seeing Johanssen hopelessly reaching out toward me.

  I awoke to the oxygen alarm in my suit. A steady, obnoxious beeping that eventually roused me from a deep and profound desire to just fucking die.

  The storm had abated; I was face down, almost totally buried in sand. As I groggily came to, I wondered why I wasn’t more dead.

  The antenna had enough force to punch through the suit and my side, but then it got stopped by my pelvis. So there was only one hole in the suit (and a hole in me, of course).

  I had been knocked back quite a ways and rolled down a steep hill. Somehow I landed face down, which forced the antenna to a strongly oblique angle that put a lot of torque on the hole in the suit. It made a weak seal.

  Then, the copious blood from my wound trickled down toward the hole. As the blood reached the site of the breach, the water in it quickly evaporated from the airflow and low pressure, leaving only a gunky residue behind. More blood came in behind it and was also reduced to gunk. Eventually, the blood sealed the gaps around the hole and reduced the leak to something the suit could counteract.

  The suit did its job admirably. Seeing the drop in pressure, it constantly flooded itself with air from my nitrogen tank to equalize. Once the leak became manageable, it only had to trickle new air in slowly the relieve the air lost.

  After a while, the CO2 (carbon dioxide) absorbers in the suit were expended. That’s really the limiting factor to life support. Not the amount of oxygen you bring with you, but the amount of CO2 you can remove. In the Hab, we had the Oxygenator, a large piece of equipment that could break CO2 apart and give the oxygen back. But the spacesuits had to be portable, so they used a simple chemical absorption process with expendable filters. I’d been asleep lo
ng enough that my filters were useless.

  The suit saw this problem and moved in to an emergency mode the engineers call “bloodletting”. Having no way to separate out the CO2, the suit deliberately vented air to the Martian atmosphere, then back-filled with nitrogen. Between the breach and the bloodletting, it quickly ran out of nitrogen. All it had left was my oxygen tank.

  So it did the only thing it could to keep me alive. It started back-filling with pure oxygen. I now risked dying from oxygen toxicity, as the excessively high amount of oxygen threatened to burn up my nervous system, lungs, and eyes. An ironic death for someone with a leaky space suit: too much oxygen.

  Every step of the way would have had beeping alarms, alerts, and warnings. But it was the high-oxygen warning that woke me.

  The sheer volume of training for a space mission is astounding. I spent a week back on Earth practicing emergency space suit drills. I knew what to do.

  Carefully reaching to the side of my helmet, I got the breach kit. It’s nothing more than a funnel with a valve at the small end, and an unbelievably sticky resin on the wide end. The idea is you have the valve open and stick the wide end over a hole. The air can escape through the valve, so it doesn’t interfere with the resin making a good seal. Then you close the valve and you’ve sealed the breach.

  The tricky part was getting the antenna out of the way. I pulled it out as fast as I could, wincing as the sudden pressure drop dizzied me and made the wound in my side scream in agony.

  I got the breach kit over the hole and sealed it. It held. The suit back-filled the missing air with yet more oxygen. Checking my arm readouts, I saw the suit was now at 85% oxygen. For reference, Earth’s atmosphere is about 21%. I’d be ok, so long as I didn’t spend too much time like that.

  I stumbled up the hill back toward the Hab. As I crested the rise, I saw something that made me very happy and something that made me very sad: The Hab was in-tact (yay!) and the MAV was gone (boo!).

  Right that moment I knew I was screwed. But I didn’t want to just die out on the surface. I limped back to the Hab and fumbled my way in to an airlock. As soon as it equalized, I threw off my helmet.

  Entering the Hab, I doffed the suit and got my first good look at the injury. It would need stitches. Fortunately, all of us had been trained in basic medical procedures, and the Hab had excellent medical supplies. A quick shot of local anesthetic, irrigate the wound, 9 stitches and I was done. I’d be taking antibiotics for a couple of weeks, but other than that I’d be fine.

  I knew it was hopeless, but I tried firing up the communication array. No signal, of course. The primary satellite dish had broken off, remember? And it took the reception antennae with it. The Hab had secondary and tertiary communication systems, but they were both just for talking to the MAV, which would use its much more powerful systems to relay to Hermes. Thing is, that only works if the MAV is still around.

  I had no way to talk to Hermes. In time, I could locate the dish out on the surface, but it would take weeks for me to rig up any repairs, and that would be too late. In an abort, Hermes would leave orbit within 24 hours. The orbital dynamics made the trip safer and shorter the earlier you left, so why wait for no reason just to make the trip take longer?

  Checking out my suit, I saw the antenna had plowed through my bio-monitor computer. When on an EVA, all the crew’s suits are networked so we can see each others status. The rest of the crew would have seen the pressure in my suit drop to nearly 0, followed immediately by my bio-signs going flat. Add to that I was sent tumbling down a hill with a spear through me in the middle of a sandstorm… yeah. They thought I was dead. How could they not?

  They may have even had a brief discussion about recovering my body, but regulations were clear. In the event a crewman died on Mars, he stayed on Mars. Leaving his body behind reduced weight for the MAV on the trip back. That meant more disposable fuel and a larger margin of error for the return thrust. No point in giving that up for sentimentality.

  So that’s the situation. I’m stranded on Mars. I have no way to communicate with Hermes or Earth. Everyone thinks I’m dead. I’m in a Hab designed to last 31 days.

  If the Oxygenator breaks down, I’ll suffocate. If the Water Reclaimer breaks down, I’ll die of thirst. If the Hab breaches, I’ll just kind of explode. If none of those things happen, I’ll eventually run out of food and starve to death.

  So yeah. I’m fucked.

  Chapter 2

  LOG ENTRY: SOL 7

  Ok, I’ve had a good night’s sleep, and things don’t seem as hopeless as they did yesterday.

  Today I took stock of supplies, and did a quick EVA to check up on the external equipment. Here’s my situation:

  The surface mission was supposed to be 31 days. For redundancy, the supply probes had enough food to last the whole crew 56 days. That way if one or two probes had problems, we'd still have enough food to complete the mission.

  We were six days in when all hell broke loose, so that leaves enough food to feed six people for 50 days. I’m just one guy, so it’ll last me 300 days. And that’s if I don’t ration it. So I’ve got a fair bit of time.

  The Hab stood up to the storm without any problems. Outside, things aren’t so rosy. I can’t find the satellite dish; it probably got blown kilometers away.

  The MAV is gone, of course. My crewmates took it up to Hermes. Though the bottom half (the landing stage) is still there. No reason to take that back up when weight is the enemy. It includes the landing gear, the fuel plant, and anything else NASA figured it wouldn’t need for the trip back up to orbit.

  The MDV is on its side and there’s a breach in the hull. Looks like the storm ripped the cowling off the reserve chute (which we didn’t have to use on landing). Once the chute was exposed it dragged the MDV all over the place, smashing it against every rock in the area. Not that the MDV would be much use to me. Its thrusters can’t even lift its own weight. But it might have been valuable for parts. Might still be.

  Both rovers are half-buried in sand, but they’re in good shape otherwise. Their pressure seals are in-tact. Makes sense. Operating procedure if a storm hits is to stop motion and wait for the storm to pass. They’re made to stand up to punishment. I’ll be able to dig them out with a day or so of work.

  I’ve lost communication with the weather stations, placed a kilometer away from the Hab in 4 directions. They might be in perfect working order for all I know. The Hab’s communications are so weak right now it probably can’t even reach a kilometer.

  The solar cell array was covered it in sand, rendering it useless (hint: solar cells need sunlight to make electricity). But once I swept them off, they returned to full efficiency. Whatever I end up doing, I’ll have plenty of power for it. 200 square meters of solar cells, with hydrogen fuel cells to store plenty of reserve. All I need to do is sweep them off every few days.

  Things indoors are great, thanks to the Hab’s sturdy design.

  I ran a full diagnostic on the Oxygenator. Twice. It’s perfect. If anything goes wrong with it, there is a short-term spare I can use. But it’s solely for emergency use while repairing the main one. The spare doesn’t actually pull CO2 apart and recapture the oxygen. It just absorbs the CO2 the same way the spacesuits do. It’s intended to last 5 days before it saturates the filters, which means 30 days for me (just one person breathing, instead of six). So there’s some insurance there.

  The Water Reclaimer is working fine, too. The bad news is there’s no backup. If it stops working, I’ll be drinking reserve water while I rig up a primitive distillery to boil piss. Also, I’ll lose half a liter of water per day to breathing until the humidity in the Hab reaches its maximum and water starts condensing on every surface. Then I’ll be licking the walls. Yay. Anyway, for now, no problems with the Water Reclaimer.

  So yeah. Food, water, shelter all taken care of. I’m going to start rationing food right now. Meals are pretty minimal already, but I think I can eat a 3/4 portion per meal and still be all righ
t. That should turn my 300 days of food in to 400. Foraging around the medical area, I found the main bottle of vitamins. There’s enough multivitamins there to last years. So I won’t have any nutritional problems (though I’ll still starve to death when I’m out of food, no matter how many vitamins I take).

  The medical area has morphine for emergencies. And there’s enough there for a lethal dose. I’m not going to slowly starve to death, I’ll tell you that. If I get to that point, I’ll take an easier way out.

  Everyone on the mission had two specialties. I’m a botanist and mechanical engineer. Basically, I was the mission’s fix-it man who played with plants. The mechanical engineering might save my life if something breaks.

  I’ve been thinking about how to survive this. It’s not completely hopeless. There’ll be humans back on Mars in about four years when Ares 4 arrives (assuming they didn’t cancel the program in the wake of my “death”).

  Ares 4 will be landing at the Schiaparelli Crater, which is about 3,200km away from my location here in the Acidalia Planitia. No way for me to get there on my own. But if I could communicate, I might be able to get a rescue. Not sure how they’d manage that with the resources on hand, but NASA has a lot of smart people.

  So that’s my mission now. Find a way to communicate with Earth. If I can’t manage that, find a way to communicate with Hermes when it returns in 4 years with the Ares 4 crew.

  Of course, I don’t have any plan for surviving 4 years on 1 year of food. But one thing at a time here. For now, I’m well fed and have a purpose: “Fix the damn radio”.

  LOG ENTRY: SOL 10

  Well, I’ve done three EVAs and haven’t found any hint of the communication dish.

  I dug out one of the rovers and had a good drive around, but after days of wandering I think it’s time to give up. The storm probably blew the dish far away and then erased any drag-marks or scuffs that might have led to a trail. Probably buried it, too.

  I spent most of today out at what’s left of the communication array. It’s really a sorry sight. I may as well yell toward Earth for all the good that damned thing will do me.

  I could throw together a rudimentary dish out of metal I find around the base, but this isn’t some walkie-talkie I’m working with here. Communicating from Mars to Earth is a pretty big deal, and requires extremely specialized equipment. I won’t be able to whip something up with tinfoil and gum.

  I need to ration my EVAs as well as food. The CO2 filters are not cleanable. Once they’re saturated, they’re done. The mission accounted for a 4-hour EVA per crewmember per day. Fortunately, CO2 filters are light and small so NASA had the luxury of sending more than we needed. All told, I have about 1500 hours worth of CO2 filters. After that, any EVAs I do will have to be managed with bloodletting the air.

  1500 hours may sound like a lot, but I’m faced with spending at least 4 years here if I’m going to have any hope of rescue, with a minimum of several hours per week dedicated to sweeping off the solar array. Anyway. No needless EVAs.

  In other news, I’m starting to come up with an idea for food. My botany background may come in useful after all.

  Why bring a botanist to Mars? After all, it’s famous for not having anything growing here. Well, the idea was to figure out how well things grow in Martian gravity, and see what, if anything, we can do with Martian soil. The short answer is: quite a lot… almost. Martian soil has the basic building blocks needed for plant growth, but there’s a lot of stuff going on in Earth soil that Mars soil doesn’t have, even when it’s placed in an Earth-atmosphere and given plenty of water. Bacterial activity, certain nutrients provided by animal life, etc. None of that is happening on Mars. One of my tasks for the mission was to see how plants grow here, in various combinations of Earth or Mars soil and atmosphere.

  That’s why I have a small amount of Earth soil and a bunch of plant seeds with me.

  I can’t get too excited, however. It’s about the amount of soil you’d put in a window planter-box, and the only seeds I have are a few species of grass and ferns. They’re the most rugged and easily grown plants on earth, so NASA picked them as the test subjects.

  So I have two problems: not enough dirt, and nothing edible to plant in it.

  But I’m a botanist, damn it. I should be able to find a way to make this happen. If I don’t, I’ll be a really hungry botanist in about a year.

  LOG ENTRY: SOL 11

  I wonder how the Cubs are doing.

 
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